Add new Kconfig option to let the user select the targets endianess. Each target have to select SUPPORTS_BIG_ENDIAN and/or SUPPORTS_LITTLE_ENDIAN to indicate which endianess is supported.
Signed-off-by: Daniel Schwierzeck
CONFIG_SYS_EXTRA_OPTIONS="DBAU1000" CONFIG_MIPS=y CONFIG_TARGET_DBAU1X00=y CONFIG_SYS_BIG_ENDIAN=y
